我是一個Xcode初學者,並且在閱讀錯誤控制檯時無法解決導致我的應用崩潰的任何問題。我的代碼(Swift)編譯,但我得到了我見過很多其他線程的SIGABRT錯誤。看起來解決方案對於每個問題都非常不同。我需要幫助閱讀Xcode的錯誤控制檯
2017-05-08 20:57:32.821 ChordGenerator[6335:422217] -[ChordGenerator.ViewController newChordButton:]: unrecognized selector sent to instance 0x7f9ec6407fd0
2017-05-08 20:57:32.825 ChordGenerator[6335:422217] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[ChordGenerator.ViewController newChordButton:]: unrecognized selector sent to instance 0x7f9ec6407fd0'
*** First throw call stack:
(
0 CoreFoundation 0x000000010b0beb0b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x000000010828b141 objc_exception_throw + 48
2 CoreFoundation 0x000000010b12e134 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x000000010b045840 ___forwarding___ + 1024
4 CoreFoundation 0x000000010b0453b8 _CF_forwarding_prep_0 + 120
5 UIKit 0x0000000108f87d22 -[UIApplication sendAction:to:from:forEvent:] + 83
6 UIKit 0x000000010910c25c -[UIControl sendAction:to:forEvent:] + 67
7 UIKit 0x000000010910c577 -[UIControl _sendActionsForEvents:withEvent:] + 450
8 UIKit 0x000000010910b4b2 -[UIControl touchesEnded:withEvent:] + 618
9 UIKit 0x0000000108ff549a -[UIWindow _sendTouchesForEvent:] + 2707
10 UIKit 0x0000000108ff6bb0 -[UIWindow sendEvent:] + 4114
11 UIKit 0x0000000108fa37b0 -[UIApplication sendEvent:] + 352
12 UIKit 0x0000000109786adc __dispatchPreprocessedEventFromEventQueue + 2926
13 UIKit 0x000000010977ea3a __handleEventQueue + 1122
14 CoreFoundation 0x000000010b064c01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
15 CoreFoundation 0x000000010b04a0cf __CFRunLoopDoSources0 + 527
16 CoreFoundation 0x000000010b0495ff __CFRunLoopRun + 911
17 CoreFoundation 0x000000010b049016 CFRunLoopRunSpecific + 406
18 GraphicsServices 0x000000010cf7ba24 GSEventRunModal + 62
19 UIKit 0x0000000108f860d4 UIApplicationMain + 159
20 ChordGenerator 0x0000000107cb06a7 main + 55
21 libdyld.dylib 0x000000010c01065d start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
'SIGABRT'只意味着它是一個'SIG'nal該進程'AB'o'RT'。看看錯誤的前兩行,也許這會給錯誤的根源提供一些提示。 – Jerrybibo
這是'reason:'的問題 - [ChordGenerator.ViewController newChordButton:]:'。 「newChordButton」方法不存在,或者該類不符合此方法。 – nayem
修復您的按鈕操作,使其指向視圖控制器中的有效方法。 – rmaddy